Hi - I can't see this commented on anywhere else, so hopefully I'm not repeating anything.
The wildcard SSL certificate '*.spoj.pl' given out by the devel.spoj.pl site expired back in August 2011. This means that the editor doesn't work properly if you access the spoj.pl site. The certificate given out by the main site is fine and won't expire until 2014. I'm guessing someone forgot to update all the certificates.
Jander.
